About: http://webisa.webdatacommons.org/297177993

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The system of claim 1 wherein said beam is an optical beam, and the means for detecting said beam is an optical sensor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com